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Mustang Forums
2011-2014 Mustangs
2011-2014 Mustang Talk
Attention MT-82 victoms!!!
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<blockquote data-quote="Sc0tty2h0ttie" data-source="post: 10299647" data-attributes="member: 112589"><p>They are saying xt-m5-qs is like 10w40 motor oil not 75w90. they dont mention the tranny at all. </p><p></p><p>I dont believe xt-m5-qs is the correct fluid anyway. It was just what motorcraft has that they thought would work.</p><p></p><p>Since i switched to pennzoil synchromesh i have driven in 29-72 degree weather. Yes Florida winters are crazy like that. In all that fluctuation it hasn't ground once and has been sooooooo much easier to get in gear. The tranny isnt getting any hotter then normal (yes i was climbing under the car and feeling it) and no burning fluid smell. </p><p></p><p>Id try synchromesh first and see what you think, Ive had better luck with it. I took out the RP 75w90 due to having friction modifiers in it but i never had a grind with it just stiff but DEF better then stock.</p></blockquote><p></p>
[QUOTE="Sc0tty2h0ttie, post: 10299647, member: 112589"] They are saying xt-m5-qs is like 10w40 motor oil not 75w90. they dont mention the tranny at all. I dont believe xt-m5-qs is the correct fluid anyway. It was just what motorcraft has that they thought would work. Since i switched to pennzoil synchromesh i have driven in 29-72 degree weather. Yes Florida winters are crazy like that. In all that fluctuation it hasn't ground once and has been sooooooo much easier to get in gear. The tranny isnt getting any hotter then normal (yes i was climbing under the car and feeling it) and no burning fluid smell. Id try synchromesh first and see what you think, Ive had better luck with it. I took out the RP 75w90 due to having friction modifiers in it but i never had a grind with it just stiff but DEF better then stock. [/QUOTE]
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2011-2014 Mustang Talk
Attention MT-82 victoms!!!
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